World's Most Asked Questions Ten of YOUR Most Asked Questions!

The video addresses various intriguing questions from the audience, covering topics like why we close our eyes when sneezing, the origin of the new car smell, indefinite hair growth in humans, the effects of microgravity on fizzy drinks, and the absorption of cold water in the body. It also touches on the complexities of brain transplants, the purpose of sensations, genetic mutations, and a hypothetical scenario of drilling through the Earth. Each topic is explained with scientific insights and humor.

Why do humans close their eyes when they sneeze?

• To prevent their eyeballs from falling out

• Because of a reflex to protect the eyes

• Due to muscle contractions involving the eyelids

• To avoid seeing the sneeze particles

What causes the 'new car smell'?

• Freshly cleaned interiors

• Volatile organic compounds from manufacturing materials

• Air fresheners used in the car

• Natural scent of leather seats

How does cold water affect the body?

• It is absorbed faster than warm water

• It has no effect on absorption rate

• It is absorbed slightly more slowly

• It causes dehydration

What is a major challenge in performing brain transplants?

• Ethical concerns about consciousness

• Lack of suitable donors

• High cost of the procedure

• Complexity of connecting nerves and vasculature

What would happen if you drilled a hole through the Earth?

• The hole would remain empty

• The hole would collapse due to pressure

• It would fill with water

• Magma would fill the hole and cause volcanoes